4591660 has 12 divisors (see below), whose sum is σ = 9642528. Its totient is φ = 1836656.

The previous prime is 4591633. The next prime is 4591661. The reversal of 4591660 is 661954.

It is not an unprimeable number, because it can be changed into a prime (4591661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114772 + ... + 114811.

It is an arithmetic number, because the mean of its divisors is an integer number (803544).

Almost surely, 2^4591660 is an apocalyptic number.

It is an amenable number.

4591660 is an abundant number, since it is smaller than the sum of its proper divisors (5050868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4591660 is a wasteful number, since it uses less digits than its factorization.

4591660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229592 (or 229590 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 4591660 is about 2142.8159043651. The cubic root of 4591660 is about 166.2097797818.

The spelling of 4591660 in words is "four million, five hundred ninety-one thousand, six hundred sixty".